Add 40/60 and 70/42
1st number: 40/60, 2nd number: 1 28/42
40/60 + 70/42 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
70/42 = 70 × 10/42 × 10 = 700/420 - Add the two like fractions:
280/420 + 700/420 = 280 + 700/420 = 980/420 - 980/420 simplified gives 7/3
- So, 40/60 + 70/42 = 7/3
In mixed form: 21/3
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